EP1375117A2 - Paroi de grande rigidité pour produits en matière synthétique moulés - Google Patents
Paroi de grande rigidité pour produits en matière synthétique moulés Download PDFInfo
- Publication number
- EP1375117A2 EP1375117A2 EP03011821A EP03011821A EP1375117A2 EP 1375117 A2 EP1375117 A2 EP 1375117A2 EP 03011821 A EP03011821 A EP 03011821A EP 03011821 A EP03011821 A EP 03011821A EP 1375117 A2 EP1375117 A2 EP 1375117A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ribs
- plate
- molded plastic
- base
- plastic part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/735—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
- B29C66/7352—Thickness, e.g. very thin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2024/00—Articles with hollow walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
- B29L2031/608—Honeycomb structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/749—Motors
- B29L2031/7492—Intake manifold
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24562—Interlaminar spaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24744—Longitudinal or transverse tubular cavity or cell
Definitions
- This invention relates to the provision of a stiff molded plastic wall formed by utilizing two spaced plastic plates, wherein at least one of the plates is ribbed and welded to the other.
- Plastics are becoming utilized for more and more parts. As known, plastic parts are typically molded in a plastic mold. While the use of plastics to form parts does have a number of benefits, it would still be desirable to increase certain design features. As an example, in many applications the weight of the final molded part would be desirably reduced. In particular, in automotive applications, reduction of the weight of the final part is a design goal. However, merely limiting the amount of plastic in the final part will also result in the walls of the part being less stiff than may be desirable.
- Air induction or air intake manifold components are particularly challenged in this regard.
- a minimum stiffness is required that can resist these challenges.
- the present invention provides apparatus and method as recited in the appended claims.
- a molded plastic part is formed of two spaced plates.
- the two spaced plates are welded together at a plurality of ribs formed on one of the two plates. That is, one of the two plastic plates is molded to have ribs extending away from a base. These ribs are welded to a base on the other plate.
- the ribs are formed into a cross or honeycomb shape.
- the resultant plastic part has much stiffer walls than a plastic part having a single solid wall formed of the equivalent weight.
- the height of the rib is greater than the thickness of the base from which the rib extends, and is further greater than the thickness of the rib.
- the thickness of the base is less than half the height of the rib.
- the thickness of the rib is preferably less than one-third the height of the rib. That is, the rib extends for a relatively great height when compared to the thickness of its base, or the thickness of the rib.
- the resultant final molded part has greater stiffness when compared to the prior art for an equivalent weight part.
- Figure 1 shows a plastic molded part 20 which is illustrated as an air intake manifold. It should be understood that the present invention does provide a method and final plastic part that can be utilized for many other applications. As shown, a first plate 22 is welded to a second plate 24 to form a wall 25 for the part 20. Notably, as can be seen, the wall may be somewhat curved, or have a contour as is desired for the final part. That is, "plate” should not be interpreted to be planar.
- a base 26 for the plate 22 has ribs 28 extending away and toward the plate 24.
- the plate 22 has ribs 28 and 30 that cross to form a honeycomb shape.
- ribs can be easily molded with the base 26 as a single part.
- Figure 3A is a cross-sectional view along line 3-3. As shown, the base has a width w while the ribs 28 and 30 have a height h. Further, the ribs have a thickness t. While the ribs have been shown to have a uniform height and uniform thickness, it is of course within the scope of this invention to vary these dimensions locally to achieve a particular design function.
- the height of the ribs 28 and 30 is relatively great when compared to the thickness w of the base 26, or the thickness t of the ribs 28 and 30.
- the thickness of the base in one application was 3 mm, with the thickness of the rib t being 2 mm and the height of the rib being 6 mm.
- Other example dimensions are shown in a table as set forth at Figure 3B.
- the second plate 24 has a thickness that is preferably less than the thickness of the base 26 of plate 22.
- the dimensions are exemplary, and the invention would extend beyond any particular dimension.
- the thickness w of base 26 is less than the height h of ribs 28 or 30.
- the height of the ribs is at least twice as much as the thickness w.
- the thickness h of the ribs 28 and 30 in the preferred dimensions, the height of the rib h is at least three times the thickness w.
- the thickness of the second plate 24 is less than the thickness w of the base 26.
- the plate 22 is welded along surfaces 32 and 34 to the plate 24.
- the ribs 28 and 30 thus contact and provide stiffness to the combined part.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39214902P | 2002-06-28 | 2002-06-28 | |
US392149P | 2002-06-28 | ||
US10/413,122 US6902778B2 (en) | 2002-06-28 | 2003-04-14 | High stiffness plastic wall for molded plastic products |
US413122 | 2003-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1375117A2 true EP1375117A2 (fr) | 2004-01-02 |
EP1375117A3 EP1375117A3 (fr) | 2004-04-14 |
Family
ID=29718543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03011821A Withdrawn EP1375117A3 (fr) | 2002-06-28 | 2003-05-26 | Paroi de grande rigidité pour produits en matière synthétique moulés |
Country Status (2)
Country | Link |
---|---|
US (1) | US6902778B2 (fr) |
EP (1) | EP1375117A3 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7354354B2 (en) * | 2004-12-17 | 2008-04-08 | Integran Technologies Inc. | Article comprising a fine-grained metallic material and a polymeric material |
US20060134402A1 (en) * | 2004-12-20 | 2006-06-22 | Uwe Wilkenhoener | Process for the preparation of powder coating compositions |
CN101045346A (zh) * | 2006-03-30 | 2007-10-03 | 冷鹭浩 | 一种超声波焊接结构的塑料复合板 |
DE202006011026U1 (de) * | 2006-07-14 | 2007-12-06 | Mann + Hummel Gmbh | Ansaugeinrichtung für eine Brennkraftmaschine |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1209725B (de) * | 1960-03-11 | 1966-01-27 | Hans Joachim Dietzsch G M B H | Verfahren zur Oberflaechenbehandlung eines Koerpers aus gebuendelten Hohlfaeden |
US3509005A (en) * | 1967-03-02 | 1970-04-28 | Du Pont | Ribbed structures of thermoplastic resin |
US3741857A (en) * | 1970-11-20 | 1973-06-26 | Asahi Chemical Ind | Composite light weight board and manufacture thereof |
US4172749A (en) * | 1978-03-29 | 1979-10-30 | Primex Plastics Corp. subs. of ICC Industries Inc. | Shaped articles formed from thermoplastic sheeting containing sealed passageways |
DE3107838A1 (de) * | 1981-03-02 | 1982-09-16 | Isar GFK Kunststofftechnik GmbH, 8801 Wörnitz | Querschnittsaufbau fuer kunststoffrohr mit hoher biegesteifigkeit |
JPH06179448A (ja) * | 1992-12-10 | 1994-06-28 | Idemitsu Petrochem Co Ltd | 合成樹脂製パレットおよびその製造方法および成形用金型 |
JPH06278660A (ja) * | 1993-03-30 | 1994-10-04 | Mazda Motor Corp | 自動車のキャビン構造 |
EP0754540A2 (fr) * | 1995-07-21 | 1997-01-22 | Hardigg Industries, Inc. | Panneaux en matière plastique soudée ainsi que procédé pour leur fabrication |
BE1012382A3 (nl) * | 1999-01-13 | 2000-10-03 | Vandevelde Michel | Constructie-methode met kunststofpanelen, en kunststofpanelen bestemd voor een dergelijke methode. |
EP1245478A1 (fr) * | 2001-03-28 | 2002-10-02 | Webasto Vehicle Systems International GmbH | Elément extérieur d'une carrosserie d'automobile |
FR2828132A1 (fr) * | 2001-08-02 | 2003-02-07 | Gaillon | Materiau en plaque ou en feuille a structure dite "alveolaire" |
WO2003022664A1 (fr) * | 2001-09-05 | 2003-03-20 | Basf Aktiengesellschaft | Composants composites profiles creux |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3589972A (en) * | 1969-06-16 | 1971-06-29 | Woodall Industries Inc | Hollow structure |
US3664906A (en) * | 1970-01-26 | 1972-05-23 | Du Pont | Structural panel of ribbed structures of thermoplastic resin |
US3935357A (en) * | 1973-03-27 | 1976-01-27 | I. S. A. P. S.P.A. | Hollow extruded plastic strips for packings |
SE391109B (sv) | 1976-04-14 | 1977-02-07 | Nordfor Ab | Sett vid tredfellning jemte anordning for genomforande av settet |
US5182158A (en) * | 1990-02-02 | 1993-01-26 | Schaeffer Bernarr C | Lightweight sandwich panel |
US5487930A (en) * | 1991-10-03 | 1996-01-30 | Tolo, Inc. | Three structure structural element with interlocking ribbing |
-
2003
- 2003-04-14 US US10/413,122 patent/US6902778B2/en not_active Expired - Lifetime
- 2003-05-26 EP EP03011821A patent/EP1375117A3/fr not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1209725B (de) * | 1960-03-11 | 1966-01-27 | Hans Joachim Dietzsch G M B H | Verfahren zur Oberflaechenbehandlung eines Koerpers aus gebuendelten Hohlfaeden |
US3509005A (en) * | 1967-03-02 | 1970-04-28 | Du Pont | Ribbed structures of thermoplastic resin |
US3741857A (en) * | 1970-11-20 | 1973-06-26 | Asahi Chemical Ind | Composite light weight board and manufacture thereof |
US4172749A (en) * | 1978-03-29 | 1979-10-30 | Primex Plastics Corp. subs. of ICC Industries Inc. | Shaped articles formed from thermoplastic sheeting containing sealed passageways |
DE3107838A1 (de) * | 1981-03-02 | 1982-09-16 | Isar GFK Kunststofftechnik GmbH, 8801 Wörnitz | Querschnittsaufbau fuer kunststoffrohr mit hoher biegesteifigkeit |
JPH06179448A (ja) * | 1992-12-10 | 1994-06-28 | Idemitsu Petrochem Co Ltd | 合成樹脂製パレットおよびその製造方法および成形用金型 |
JPH06278660A (ja) * | 1993-03-30 | 1994-10-04 | Mazda Motor Corp | 自動車のキャビン構造 |
EP0754540A2 (fr) * | 1995-07-21 | 1997-01-22 | Hardigg Industries, Inc. | Panneaux en matière plastique soudée ainsi que procédé pour leur fabrication |
BE1012382A3 (nl) * | 1999-01-13 | 2000-10-03 | Vandevelde Michel | Constructie-methode met kunststofpanelen, en kunststofpanelen bestemd voor een dergelijke methode. |
EP1245478A1 (fr) * | 2001-03-28 | 2002-10-02 | Webasto Vehicle Systems International GmbH | Elément extérieur d'une carrosserie d'automobile |
FR2828132A1 (fr) * | 2001-08-02 | 2003-02-07 | Gaillon | Materiau en plaque ou en feuille a structure dite "alveolaire" |
WO2003022664A1 (fr) * | 2001-09-05 | 2003-03-20 | Basf Aktiengesellschaft | Composants composites profiles creux |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 0185, no. 21 (M-1681), 30 September 1994 (1994-09-30) & JP 06 179448 A (IDEMITSU PETROCHEM CO LTD), 28 June 1994 (1994-06-28) * |
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 01, 28 February 1995 (1995-02-28) -& JP 06 278660 A (MAZDA MOTOR CORP), 4 October 1994 (1994-10-04) * |
Also Published As
Publication number | Publication date |
---|---|
US20040001939A1 (en) | 2004-01-01 |
US6902778B2 (en) | 2005-06-07 |
EP1375117A3 (fr) | 2004-04-14 |
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